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| author | Quan Yong Zhai <qyzhai@gmail.com> | 2012-04-10 15:05:22 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@golang.org> | 2012-04-10 15:05:22 -0400 |
| commit | e133ee95384c98aed9306043cda130a4f74df6d5 (patch) | |
| tree | 5775b6cde67988c1f29e5cf93128370125dbab62 /src/pkg/runtime | |
| parent | e530d6a1e00fbc0149b71bca9f940058838c1c44 (diff) | |
| download | go-e133ee95384c98aed9306043cda130a4f74df6d5.tar.xz | |
runtime: unregister the SIGILL handler after ARM EABI test
Part of issue 3381
R=rsc, minux.ma, dave
CC=golang-dev
https://golang.org/cl/5969064
Diffstat (limited to 'src/pkg/runtime')
| -rw-r--r-- | src/pkg/runtime/rt0_linux_arm.s | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/pkg/runtime/rt0_linux_arm.s b/src/pkg/runtime/rt0_linux_arm.s index e08cf907d9..54ea860dc1 100644 --- a/src/pkg/runtime/rt0_linux_arm.s +++ b/src/pkg/runtime/rt0_linux_arm.s @@ -20,15 +20,23 @@ TEXT _rt0_arm_linux(SB),7,$-4 MOVM.DB.W [R0-R3], (R13) MOVW $4, R0 // SIGILL MOVW R13, R1 // sa - MOVW $0, R2 // old_sa + SUB $16, R13 + MOVW R13, R2 // old_sa MOVW $8, R3 // c MOVW $174, R7 // sys_sigaction BL oabi_syscall<>(SB) - ADD $16, R13 + // do an EABI syscall MOVW $20, R7 // sys_getpid - SWI $0 // this will trigger SIGILL on OABI systems - + SWI $0 // this will trigger SIGILL on OABI systems + + MOVW $4, R0 // SIGILL + MOVW R13, R1 // sa + MOVW $0, R2 // old_sa + MOVW $8, R3 // c + MOVW $174, R7 // sys_sigaction + SWI $0 // restore signal handler + ADD $32, R13 B _rt0_arm(SB) TEXT bad_abi<>(SB),7,$-4 |